Steam and clay mixing nozzle



y- 1930. E. v. POSTON 1,770,011

, STEAM AND CLAY MIXING NOZZLE I Filed Oct. 2'7, 1927 INVENTOR.

BY 42/3 MM ATTORNEYS.-

Patented July 8,1930 i I l UNITED STATES Parser v ries i i EMMETT vqrosron, or srnInerinLn, rLLInoIs j p i STEAM nivnorinx MIXING NozzLn i Application filed October 27, '1927. :Seria1 No. 229,151.

. My invention relates to, a class of nozzles the nozzle of my invention showing its conadapted to be attached to pipes connected with struction as assembled and its relativelpoSia source of supply of granular veneer matetion to the source of steam and clay supply rials such as fineclay and the like and a source as well as a cla c l on hi h it i d t d of. fluid supply in a manner that will permit col-project the veneer materials. 7 e V the fluid to be admitted to the nozzle and re- Referring in detail to the drawings for the leased therefrom under variable pressures for d s ripti n f m d i 1 h ll h the purpose of carrying with it the'granular the construction and manner of operating the Veneer materials and forcefully P N g steam and clay mixing nozzleof my invention. them onto and into surfaces that are adapted I provide a central tubular sleeve to to be veneered thereby. adapted to accommodate the passage of clay A particular object of my invention is to and the like in fine granular, preferably dry, provide preferably a steam and clay mixing form through the steam and clay mixing noznozzle with which an operator may direct zle. This central sleeve is preferably held the mixture of steam and clayto the plastic adjustably into'normal operating position by surfaces of a ribbon of clay. as it comes out screw threads that hold the sleeve substanof the forming die and to causesuch mixture tially within casing 2 of the nozzle. of the two after each has left. the nozzle and Atthe rearward opening of the nozzle is atthus heating and projecting the veneer macache-d, by threads, an extension tube- 3 2 terials by steam and thus avoidany accumulaand a funneled receiving hopper -4 ada ttionof wet clay and the like on the inner Ysured to receive within the nozzle the granular faces of the nozzle. r particles of clay and the like 5, carried to A further object of my invention is to pro hopper 4 through distributing tubes vide in a nozzle of this kind an arrangement 6. 7 25 whereby the clay or other fine veneering lna- When steam or other fluids under relatively terials may be sucked into andthrough a cena high pressure is admitted to the nozzle tral tubular member of the nozzle by the'force through fluid pipes --7 it enters an annuof and bathed in the hot steam under variable lar recess 8 within casing -2, from pressures escaping from the steam outlet of which it normally escapes from the discharge so the nozzle which in this case is an'annular disend er the nozzle through-an annular openv charge opening surrounding the discharge ing 9- made variable in size by screw adend of the central clay conducting tube and justment either of outer sleeve -Y1O or cenarranged in a manner that permits the steam tral tube 1. g c. to escape from. around the outlet of the cen- Central tube '1- has an outer annular tral tube at such an angle of projection of the taper 11 with which the inner annular & foreful escape of steam that it will suck the taper .-12 of sleeve 10 ad-justably fits in supply of veneer materials into the steam line registryfor the escape of steam from annular bringing the dry materials first into contact recess 8 of the nozzle in a manner that with the steam at a point beyond the end of will bring the fluidand clay into'contact with A the discharge mouth of the nozzle, where the' each other at a point beyond the'endzof the -2 veneer materials are heated and projected by nozzle indicated in its approximate position 7 the steam. I by numeral -13-. a I attain the objects of my invention in .The outer flarerdtf of the-discharge the device described in the annexed specifimouth-piece :10 iof the nozzle is provided A cations, recited in the claims and illustrated in in the relative form indicated to provide a 9 the accompanying drawings in which like reffree and clear movement of the veneer parerence numerals indicate like parts in the ticles as they are projected from the nozzle by several figures. the forceful escape of steam'under pressure Referring to the figures: which for heating and projectingpurposes is :5 Figure 1 is a longitudinal half section of preferably used in order that thelsame may 1 t suitably moisten andheat theiveneermabeing projected. 1

r I V -vl5l'-around sleeve '10 and heldzin place by a threadedring 16tth us to'preventthe terials while projecting them from the nozzle to the body on which the veneer materials are When using steam with this nozzle it is advisable toiuse a suitable form of packing escape of steamthrough thread 17 on the outside of sleeve10wbetween this sleeve (In the preferred use of this nozzle, granue lar particles of clay and the like are force-I V fully suckedthrough centraltube and;

forcefully projected into aplastic ribbon of clay after being moistened while in the steam line While the veneer materials are thusbei ng projected from the nozfzle theydo .1iotineetthe heating and moistensteam until they have passed beyond con-Q tact with the discharge.mouthpiece of the nozzle; With the veneerniaterials therefore v conducted dry through the central tubezof the-nozzle and notmeeting with the steam until they have passed'beyond contact with I the nozzle there will be no 'accumulationof V moistened clay and the l1ke on the surfaces of the discharge mouth-piece of the nozzle.

The preferred useofthis nozzle visin connection with theveneeri ng. of a plastic ribbon of clay and the like Whilethe same moves out of a die where a plurality of nozzles are 7 placed in registry with the exposed faces of while being projected,

invention, what I claim is: "1. A steam and clay mixing nozzle comprising 1n co-operative'combination a central the clay column; where'the column is sub stantially veneered with granular particles of clay and the like or otherveneering materials by being p rojected' into the exposed plastic faces of the 'columnby'the escape of steam under relatively high pressuremvhereby the granular veneer t 'naterlals are Having thus described the nature of my discharge tubeprovided with an outer annular conver'gmgtapering surface at the discharge 6IlCl,2L fluid pressure jacket encommoistened "this 80th dayof fine an annular tapering duct encircling the discharge mouth of the central discharge tube;said annular duct being of a cone frus trum formation whose apex is beyond the essential limits of the discharge end of the annular adjustable'sleeve; means co-operating with said adjustable sleeve and jacket for. preventing unnecessary escape of steam from the nozzleand means detachably connectedwith said jacket for feeding granular "clay' and thelike'into said central discharge tube.

ansaam and clay mixing nozzle comprising in combination a centraldischarge tube having a uniform opening throughout its length, outer screw-threads at the inner end and an outer annular'converging tapering surface at its discharge end, a .T couplingforming a steam jacket encompassing and detachably supporting the central discharge tube within the jacket and threaded at its openings s'aid'cenitraltube provided with an annularintegral collar defining the limitsi'of-its threaded end and providing stop 'means'to prevent undesired escape of steam,

a threaded sleeve adjustablysecured Within a threadedopeningof the acket; said sleeve having an inner converglng taperlng surface co operating with the outer tapering surface sleeve andjacket for prevent-ing unnecessary escape of steam, means detachably connected with said jacket for feeding granular clay and the likethereto and means connected with said coupling for feeding steam under pressure into the steam jacket thereof.

- In witnesswhereof, I hereunto set my hand September, 1927. EMMETT V. .POSTON.

passingand supportably engaging the-tube,

co-operating "with the central discharge tube todefine an annular tapering duct encircling the discharge mouth'jofthetcentraldischarge 1 tube; said annular duct being lof a cone frustrum formation whose apex is beyond the l essentiallimitsof the dischargeend of the' annular sleeve. V a a a 2. A steam and clay mlxing nozzle comprisingin co-operativecombination a central dischargetube provided with an outerannular converging tapering surface at the discharge end, a steam acket encompassing and detachably supporting the dischargetube, an

adj ustableisleeye within the jacket and 7 adjustably co-operating with the outer tapering surface of the centraldischarge tube to dea 

